Miele PG 8061 Operating Instructions Manual page 19

Operation tips
System messages The  symbol denotes system messages. These give information
about current processes and the status of the Commercial
Dishwasher. System messages are displayed individually at the end
of the program. If there are a number of system messages,
subsequent messages can be displayed by pressing the OK button.
System messages can also be displayed during the program cycle by
pressing the OK button.
Example:

Refill salt
OK
Automatic switch-off
The Commercial Dishwasher has an automatic switch-off function.
The Commercial Dishwasher switches itself off automatically after the
time set. The display and all other LEDs are switched off. To switch
the Commercial Dishwasher back on, press the On/Off  button.
The automatic switch-off function can be deactivated (see "Additional
settings, Switch off after"). The display will then remain switched on
in idle mode.
19